<template>
  <div class="app-container">
    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-input
        v-model="listQuery.id"
        clearable
        class="filter-item"
        style="width: 200px;"
        placeholder="请输入广告id"
      />
      <el-date-picker
        v-model="listQuery.startTime"
        type="date"
        placeholder="选择广告开始时间"
        value-format="yyyy-MM-dd HH:mm:ss"
        format="yyyy-MM-dd"
      />
      <el-date-picker
        v-model="listQuery.endTime"
        type="date"
        placeholder="选择广告结束时间"
        value-format="yyyy-MM-dd HH:mm:ss"
        format="yyyy-MM-dd"
      />
      <el-button
        v-permission="['GET /admin/ad/list']"
        class="filter-item"
        type="primary"
        icon="el-icon-search"
        @click="handleFilter"
      >查找</el-button>
      <el-button
        v-permission="['POST /admin/ad/create']"
        class="filter-item"
        type="primary"
        icon="el-icon-edit"
        @click="handleCreate"
      >添加</el-button>
      <!-- <el-button :loading="downloadLoading" class="filter-item" type="primary" icon="el-icon-download" @click="handleDownload">导出</el-button> -->
    </div>

    <!-- 查询结果 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="正在查询中。。。"
      border
      fit
      highlight-current-row
    >
      <el-table-column align="center" label="广告ID" prop="id" sortable />

      <el-table-column align="center" label="广告图片" prop="url">
        <template slot-scope="scope">
          <img v-if="scope.row.url" :src="scope.row.url" width="80">
        </template>
      </el-table-column>

      <el-table-column align="center" label="广告位置" prop="position" />

      <el-table-column align="center" label="广告开始时间" prop="startTime" />
      <el-table-column align="center" label="广告结束时间" prop="endTime" />

      <el-table-column align="center" label="是否启用" prop="enabled">
        <template slot-scope="scope">
          <el-tag
            :type="scope.row.enabled ? 'success' : 'error' "
          >{{ scope.row.enabled ? '启用' : '不启用' }}</el-tag>
        </template>
      </el-table-column>

      <el-table-column align="center" label="操作" width="200" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            v-permission="['POST /admin/ad/update']"
            type="primary"
            size="mini"
            @click="handleUpdate(scope.row)"
          >编辑</el-button>
          <!-- <el-button
            v-permission="['POST /admin/ad/delete']"
            type="danger"
            size="mini"
            @click="handleDelete(scope.row)"
          >删除</el-button>-->
          <el-popover placement="top" width="160">
            <p>确定删除吗？</p>
            <div style="text-align: right; margin: 0">
              <!-- <el-button size="mini" type="text" @click="visible = false">取消</el-button> -->
              <el-button type="primary" size="mini" @click="handleDelete(scope.row)">确定</el-button>
            </div>
            <el-button slot="reference">删除</el-button>
          </el-popover>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="listQuery.current"
      :limit.sync="listQuery.size"
      @pagination="getList"
    />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form
        ref="dataForm"
        :rules="rules"
        :model="dataForm"
        status-icon
        label-position="left"
        label-width="100px"
        style="width: 400px; margin-left:50px;"
      >
        <el-form-item label="广告图片" prop="url">
          <el-upload
            :headers="headers"
            :action="uploadPath"
            :show-file-list="false"
            :on-success="uploadUrl"
            :before-upload="checkFileSize"
            class="avatar-uploader"
            accept=".jpg, .jpeg, .png, .gif"
          >
            <img v-if="dataForm.url" :src="dataForm.url" class="avatar">
            <i v-else class="el-icon-plus avatar-uploader-icon" />
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过1024kb</div>
          </el-upload>
        </el-form-item>

        <el-form-item label="绑定商品" prop="goodsId">
          <el-input
            v-model="dataForm.goodsId"
            placeholder="请选择商品"
            prefix-icon="el-icon-zoom-in"
            disabled
          />
        </el-form-item>

        <el-form-item label="广告位置" prop="position">
          <el-select v-model="dataForm.position" placeholder="请选择">
            <el-option :value="1" label="第一张轮播图" />
            <el-option :value="2" label="第二张轮播图" />
            <el-option :value="3" label="第三张轮播图" />
          </el-select>
        </el-form-item>
        <el-form-item label="活动时间" prop="time">
          <el-date-picker
            v-model="dataForm.time"
            type="daterange"
            range-separator="至"
            start-placeholder="开始日期"
            end-placeholder="结束日期"
            value-format="yyyy-MM-dd HH:mm:ss"
            format="yyyy-MM-dd"
          />
        </el-form-item>
        <el-form-item label="是否启用" prop="enabled">
          <el-select v-model="dataForm.enabled" placeholder="请选择">
            <el-option :value="true" label="启用" />
            <el-option :value="false" label="不启用" />
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确定</el-button>
        <el-button v-else type="primary" @click="updateData">确定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #20a0ff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 120px;
  height: 120px;
  line-height: 120px;
  text-align: center;
}
.avatar {
  width: 145px;
  height: 145px;
  display: block;
}
</style>

<script>
/* eslint-disable */
import { listAd, createAd, updateAd, deleteAd } from "@/api/ad";
import { uploadPath } from "@/api/storage";
import { getToken } from "@/utils/auth";
import Pagination from "@/components/Pagination"; // Secondary package based on el-pagination

export default {
  name: "Ad",
  components: { Pagination },
  data() {
    return {
      uploadPath,
      list: [],
      total: 0,
      listLoading: true,
      listQuery: {
        current: 1,
        size: 5,
        name: undefined,
        content: undefined,
        orderBy: "add_time",
        endTime: undefined,
        startTime: undefined,
        sort: "desc"
      },
      dataForm: {
        id: undefined,
        position: undefined, //轮播图位置
        url: undefined,
        time: undefined,
        enabled: true
      },
      dialogFormVisible: false,
      dialogSelectFormVisible: false,
      dialogStatus: "",
      textMap: {
        update: "编辑",
        create: "创建"
      },
      rules: {
        time: [{ required: true, message: "请选择广告周期", trigger: "blur" }],
        position: [
          { required: true, message: "请选择广告位置", trigger: "blur" }
        ],
        url: [{ required: true, message: "请上传广告图片", trigger: "blur" }]
      },
      downloadLoading: false
    };
  },
  computed: {
    headers() {
      return {
        "X-Litemall-Admin-Token": getToken()
      };
    }
  },
  created() {
    this.getList();
  },
  methods: {
    getList() {
      this.listLoading = true;
      listAd(this.listQuery)
        .then(response => {
          console.log(response);
          this.list = response.data.data.list;
          this.total = response.data.data.total;
          this.listLoading = false;
        })
        .catch(e => {
          console.log(e);
          this.list = [];
          this.total = 0;
          this.listLoading = false;
        });
    },
    handleFilter() {
      this.listQuery.current = 1;
      this.getList();
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        position: undefined, //轮播图位置
        url: undefined,
        time: undefined,
        enabled: true
      };
    },
    handleCreate() {
      this.$router.push({ path: "/promotion/adCreate" });
      return;
      this.resetForm();
      this.dialogStatus = "create";
      this.dialogFormVisible = true;
      this.$nextTick(() => {
        this.$refs["dataForm"].clearValidate();
      });
    },
    uploadUrl: function(response) {
      this.dataForm.url = response.data.url;
    },
    checkFileSize: function(file) {
      if (file.size > 1048576) {
        this.$message.error(
          `${file.name}文件大于1024KB，请选择小于1024KB大小的图片`
        );
        return false;
      }
      return true;
    },
    createData() {
      this.$refs["dataForm"].validate(valid => {
        if (valid) {
          let { time } = this.dataForm;
          this.dataForm.startTime = time[0];
          this.dataForm.endTime = time[1];
          delete this.dataForm.time;
          console.log(JSON.stringify(this.dataForm));
          createAd(this.dataForm)
            .then(response => {
              this.list.unshift(response.data.data);
              this.dialogFormVisible = false;
              this.$notify.success({
                title: "成功",
                message: "创建成功"
              });
            })
            .catch(response => {
              this.$notify.error({
                title: "失败",
                message: response.data.errmsg
              });
            });
        }
      });
    },
    handleUpdate(row) {
      this.$router.push({ path: "/promotion/adEdit", query: { id: row.id } });
      return;
      this.dataForm = Object.assign({}, row);
      this.dialogStatus = "update";
      this.dialogFormVisible = true;
      //处理时间
      let { startTime, endTime } = this.dataForm;
      this.dataForm.time = [startTime, endTime];

      this.$nextTick(() => {
        this.$refs["dataForm"].clearValidate();
      });
    },
    updateData() {
      this.$refs["dataForm"].validate(valid => {
        if (valid) {
          updateAd(this.dataForm)
            .then(() => {
              for (const v of this.list) {
                if (v.id === this.dataForm.id) {
                  const index = this.list.indexOf(v);
                  this.list.splice(index, 1, this.dataForm);
                  break;
                }
              }
              this.dialogFormVisible = false;
              this.$notify.success({
                title: "成功",
                message: "更新广告成功"
              });
            })
            .catch(response => {
              this.$notify.error({
                title: "失败",
                message: response.data.errmsg
              });
            });
        }
      });
    },
    handleDelete(row) {
      deleteAd(row)
        .then(response => {
          this.$notify.success({
            title: "成功",
            message: "删除成功"
          });
          const index = this.list.indexOf(row);
          this.list.splice(index, 1);
        })
        .catch(response => {
          this.$notify.error({
            title: "失败",
            message: response.data.errmsg
          });
        });
    }
    // handleDownload() {
    //     this.downloadLoading = true
    //     import("@/vendor/Export2Excel").then(excel => {
    //         const tHeader = ["广告ID", "广告标题", "广告内容", "广告图片", "广告位置", "活动链接", "是否启用"]
    //         const filterVal = ["id", "name", "content", "url", "postion", "link", "enabled"]
    //         excel.export_json_to_excel2(tHeader, this.list, filterVal, "广告信息")
    //         this.downloadLoading = false
    //     })
    // }
  }
};
</script>
